It's totally free, incredibly easy to use, and works practically everywhere. SABnzbd makes Usenet as simple and streamlined as possible by automating everything we can. All you have to do is add an .nzb. SABnzbd takes over from there, where it will be automatically downloaded, verified, repaired, extracted and filed away with zero human interaction.

Installation

Configuration

SABnzbd is able to run globally (settings apply to all users) and locally (per user settings). The way of setting up SABnzbd depends on the way it is intended to be used. A local configuration may prove more useful on a desktop system than on a system that is used by several people simultaneously.

Global configuration

Local configuration

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Reason:please use the first argument of the template to provide a brief explanation. (Discuss in Talk:SABnzbd#)

SABnzbd does not need to be run globally as a daemon and can rather work per user. The usual method to configure SABnzbd globally is because the listed files and folders in the default configuration file point to directories owned by sabnzbd (the /opt/sabnzbd directory).

A less used (but perhaps more sensible) method is to make SABnzbd work with files and directories owned by a normal user. Running SABnzbd as a normal user has the benefits of:

A single directory ~/.sabnzbd.ini (or any other directory under /home/username) that will contain all the SABnzbd configuration files.

Easier to avoid unforeseen read/write permission errors.

In this case, we will use ~/.sabnzbd.ini/sabnzbd.ini and not start sabnzbd.service as a daemon for the whole system and all users.
We will NOT use the /usr/lib/systemd/system/sabnzbd.service which is intended to start the sabnzbd.service for all users.
If you already enabled it, just disable it first:

# systemctl disable sabnzbd.service

If you used to start SABnzbd inside your ~/.xinitrc, comment or delete the line

Initial setup

It is recommended to run through the initial setup wizard after starting the service by going to 127.0.0.1:8080 in your favourite web-browser. This initial setup should be enough to get SABnzbd working correctly for regular users. Users wanting HTTPS access are recommended to read further on in #enabling https.

Sabnzbd can be further configured through the web-interface or in /opt/sabnzbd/sabznbd.ini.

Tip: By default, sabnzbd will only allow access from the same computer. Change the host line in sabnzbd.ini to 0.0.0.0 to be able to access the initial setup from another computer.

enabling https

enabling https is a threefold process.

For global configuration:

edit /opt/sabnzbd/sabnzbd.ini and set enable_https to 1

copy /usr/lib/systemd/system/sabnzbd.service to /etc/systemd/system/ then edit it and set PIDFile to /run/sabnzbd/sabnzbd-9090.pid

reload systemd with # systemctl --system daemon-reload

For local configuration:

edit /opt/sabnzbd/sabnzbd.ini and set enable_https to 1

then edit /etc/systemd/user/sabnzbd.service and set PIDFile to /tmp/sabnzbd-9090.pid

reload systemd with $ systemctl --user daemon-reload

You should now be able to start sabnzbd with SSL support.

using a custom port

Using a custom port is similar to using https.

For global configuration:

edit /opt/sabnzbd/sabnzbd.ini and set port in [misc] section to the port you wish to use.

copy /usr/lib/systemd/system/sabnzbd.service to /etc/systemd/system/ then edit it and set PIDFile to /run/sabnzbd/sabnzbd-yourport.pid where yourport is the same as set in the first step.

edit /etc/conf.d/sabnzbd_systemd and set SABNZBD_PORT to the port set in the first step.

reload systemd with # systemctl --system daemon-reload

For local configuration:

edit /opt/sabnzbd/sabnzbd.ini and set port in [misc] section to the port you wish to use.

then edit /etc/systemd/user/sabnzbd.service and set PIDFile to /tmp/sabnzbd-yourport.pid where yourport is the same as set in the first step.

edit /etc/conf.d/sabnzbd_systemd and set SABNZBD_PORT to the port set in the first step.